Pith Number

pith:GTVASFFU

pith:2015:GTVASFFU4U4BK2R5MBUCOR6ENR

not attested not anchored not stored refs pending

Asymptotic size of covering arrays: an application of entropy compression

Brett Stevens, Nevena Franceti\'c

arxiv:1503.08876 v1 · 2015-03-31 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTVASFFU4U4BK2R5MBUCOR6ENR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:19:51.963783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34ea0914b4e538156a3d60682747c46c5ceae14b25619aa088ce0cbbacd19496

Aliases

arxiv: 1503.08876 · arxiv_version: 1503.08876v1 · doi: 10.48550/arxiv.1503.08876 · pith_short_12: GTVASFFU4U4B · pith_short_16: GTVASFFU4U4BK2R5 · pith_short_8: GTVASFFU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GTVASFFU4U4BK2R5MBUCOR6ENR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 34ea0914b4e538156a3d60682747c46c5ceae14b25619aa088ce0cbbacd19496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ba54b9745a49bef86c9392448a73edf12b6f9b2fbd0184f5f7b968dd0d2e0fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-03-31T00:04:00Z",
    "title_canon_sha256": "68ceb874be473ad9979bfabc4c40ad240fef1d0122ddf895fc3d9291ca1ccbaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08876",
    "kind": "arxiv",
    "version": 1
  }
}